CN102307786B - The system and method for pressurization plastic containers - Google Patents
The system and method for pressurization plastic containers Download PDFInfo
- Publication number
- CN102307786B CN102307786B CN201080006944.XA CN201080006944A CN102307786B CN 102307786 B CN102307786 B CN 102307786B CN 201080006944 A CN201080006944 A CN 201080006944A CN 102307786 B CN102307786 B CN 102307786B
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- China
- Prior art keywords
- container
- base unit
- plastic containers
- base portion
- heat
- Prior art date
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- Expired - Fee Related
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 41
- 229920003023 plastic Polymers 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000008569 process Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- -1 pottery Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052756 noble gas Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/04—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus without applying pressure
- B67C3/045—Apparatus specially adapted for filling bottles with hot liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C2003/226—Additional process steps or apparatuses related to filling with hot liquids, e.g. after-treatment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The present invention provides a kind of for manufacturing the system of plastic containers (including thin-walled pressure vessel), and described system includes actuator (20) and base unit (30).Described actuator includes main part (70) and support/fixed component (40), and described parts are configured to support or a part for fixing container (50).Described base unit includes adding hot surface, and can be selectively added insert.In one embodiment, described actuator can be configured container to be applied power or pressure so that it contacts described base unit, described base unit can be configured to receive the base portion (52) of described container, and described in add hot surface and can be configured a part for the described base portion energy or heat to be transferred to described container.The present invention discloses every embodiment of method for supplying plastic containers.
Description
Related application data
Subject application advocates the rights and interests of No. 61/151,363 U.S. Provisional Patent Application case submitted on February 10th, 2009.
Technical field
The present invention relates to a kind of system and method for the plastic containers that pressurize.
Background technology
Owing to lightweight proposal makes chamber wall thinner, manufacturer is just devoted to alleviate to reduce relevant problem to vessel strength.Thin
Wall plastic containers are more yielding or " ovalization ", and are unsuitable in vending machine, because this type of falling force may result in
Described vessel breaks.Additionally, after a period of time, in thin-walled pressure vessel the loss speed of liquid contents may specific volume wall relatively
Thick container faster, thus causes the internal vacuum of described container to improve or deformation.
Thin-walled plastic container can be used for multiple use, including storage " overheated " or the content of " supercool ".For " hot filling "
Technique, would generally fill in container heating or the fluid product of " boiling hot " and in the temperature of container product content still at height
Capping during position.Along with being gradually lowered of product temperature, content volume also can reduce therewith, thus can exist true in causing container
Pneumatics power, i.e. container inner pressure are less than the atmospheric pressure of surrounding.If container is made up of molded plastics, then partial containers wall can
Can be deformed inward in the cooling procedure of content.
Either apply for " hot filling " or " cold filling ", relate to container (including thin-walled pressure vessel) to solve these
Problem, some conventional vessel can capping before inject certain noble gas (such as nitrogen).The method can increase appearance simultaneously
Intrinsic pressure and the case hardness of device.Additionally, some container can add timber, groove or relatively thick wall portion on the wall
Point, in order to reinforce wall, thus reduce the impact caused because of deformation.Meanwhile, other containers also can additionally use one or many
Individual evacuated panel helps to understand or control the deformation extent relevant to expection vacuum pressure.But, except can increase container structure and
Outside the complexity of manufacturing process, being partly or entirely likely to of said method is considered do not have aesthetic feeling, and/or probably due to needs
Additional materials is wanted to increase weight and the cost of container.
Summary of the invention
The present invention provides a kind of for manufacturing the system of plastic containers (potentially including thin-walled pressure vessel), and described system includes actuator
And base unit.Described actuator can include main part and support/fixed component, and described parts are configured to support or fixing appearance
A part for device.Described base unit includes adding hot surface, and can be selectively added insert.In one embodiment,
Described actuator can be configured container is applied power or pressure so that its contact base unit, described base unit can be configured with
Receive the base portion of container, and add hot surface and can be configured one of the base portion energy or heat to be transferred to described container
Part.The present invention discloses every embodiment of method for supplying thin-walled plastic container.
Accompanying drawing explanation
Every embodiment of the present invention will be described, in accompanying drawing by example form referring to the drawings:
Fig. 1 is the perspective view of an embodiment of the system for pressurizing vessel;
Fig. 2 a be can typicallying represent in conjunction with a part for the actuator used according to the system of an embodiment, described actuating
Support/the fixed component of device shows in primary importance;
Fig. 2 b be can typicallying represent in conjunction with a part for the actuator used according to the system of an embodiment, described actuating
Support/the fixed component of device shows in the second position;
Fig. 3 is typicallying represent of the actuator of the type described in Fig. 2 a and Fig. 2 b, and described actuator is depicted as supporting/fixing
Plastic containers;
Fig. 4 is typicallying represent of the base unit according to one embodiment of the present invention;
Fig. 5 a to Fig. 5 c typically describes to relate to the flow stages of the system according to one embodiment of the present invention;
The side view of the plastic containers of the type that Fig. 6 typically describes to combine with every embodiment of the present invention and uses;
Fig. 7 is the upward view of the container base part according to one embodiment of the present invention;
Fig. 8 a is the side view of the container base part according to one embodiment of the present invention, describe cause internal vacuum pressure it
Front situation;
Fig. 8 b is the side view of the container base part according to one embodiment of the present invention, describes by internal vacuum pressure shadow
Situation after sound;
Fig. 9 A is a chart, and described chart typically describes to relate to temperature and the pressure of the flow process according to one embodiment of the present invention
Power is distributed;
Fig. 9 B is a chart, described chart typically describe to relate to the flow process of another embodiment according to the present invention temperature and
Pressure distribution;
Figure 10 is the front view of an embodiment of the system for pressurizing vessel;
Figure 11 is the top view of system shown in Figure 10;
Figure 12 is the sectional view of system shown in Figure 10, and its visual angle is 12-12 cross section;
Figure 13 is the side view of system shown in Figure 10;
Figure 14 is the assembling/decomposition diagram of an embodiment of system;And
Figure 15 is the assembling/decomposition diagram of the embodiment of system shown in Figure 14, but the visual angle of display is different.
Detailed description of the invention
This part will be explained in every embodiment of the present invention, and the example will be described herein and show in the accompanying drawings.Although this
Invention together can illustrate with each embodiment, it should be appreciated that its purpose is not intended to limit the invention to these embodiments.On the contrary,
It is contemplated that substitute, amendment and the equivalent in the spirit and scope of the present invention defined in covering appended claims.
Fig. 1 generally understands the compression system 10 according to one embodiment of the present invention.System 10 includes a upper part (i.e.
Actuator 20) and a lower part (i.e. base unit 30).Actuator 20 can include that a support/fixed component 40 is to prop up
Support and/or a part for fixing container 50, base unit 30 can include that a master adds hot surface 32 and centering structure 60, should
Structure can use the forms such as centering pin.Each embodiment of the system and method herein announced can be used for and various types of plastic containers
Combine and use, including thin-walled plastic container.Such as, these type of " thin-walled " plastic containers can include that wall thickness is between about 0.12 milli
Container between rice (about 4.724409 Mill) to about 0.31 millimeter (12.20472 Mill), or the container that wall thickness is less,
Including wall thickness at the sub-model between about 0.17 millimeter (6.692913 Mill) to about 0.26 millimeter (10.23622 Mill)
Enclose interior container.
In an embodiment of the present invention, actuator 20 can at least move (as straight line moves up and down) to a direction, and can be by
Multiple known Electric control structure controls.Such as (and unrestricted), relate to the movement of actuator 20 can carry out pneumatic control,
Hydraulic control, SERVO CONTROL, and/or controlled by motor or drive system.Show as Fig. 1, and at Fig. 2 a, Fig. 2 b and
Supplemental instruction in Fig. 3, actuator can include support/fixed component 40.Such as, support/fixed component 40 can use open type to tie
Structure (such as " C " shape), these parts are configured to support and/or a part for fixing container, such as the top/cervical region of container.
Additionally, according to the general remark carried out by the embodiment of display in Fig. 2 a and 2b, support/fixed component 40 can use
Different structures, and if to promote its support/fix function, can carry out (being typically specified as relative to associated actuator main body
70) controlled translation or movement.In one embodiment, support/fixed component 40 can be at least along relative to actuator body
(as movable) is moved in one direction of 70.Such as (and unrestricted), support/fixed component 40 would be typically displayed at Fig. 2 a
Primary importance (relatively " contraction "), show the second position (relative " extension ") at Fig. 2 a.This " contraction " position
Potentially contributing to be supported on stream/fix, the position of this " extension " relatively then contributes to obtaining or release container.
Show as embodiment in Fig. 3, actuator 20 can be configured, in order to allow support/fixed component 40 be configured
To maintain and/or to support the support lugn 80 on container 50 top.Additionally, show as in Fig. 3, support/fixed component
40 can form a whole with actuator body 70 or be formed in an integral manner;Support/fixed component 40 can be configured propping up
Support flange 80 lower slider;And/or relate to container 50 closure elements 90 can being supported/maintenance of fixed component and/or
In the case of holding, a certain moment afterwards contacts (or having the trend of contact) with the lower surface 100 of actuator body 70.
Fig. 4 generally understands an embodiment of base unit 30.As shown in the illustrated embodiment, base unit 30 can include determining
Heart structure 60.In one embodiment, centering structure 60 can be adjusted (such as longitudinal regulation) relative to base unit 30.
Such as (and unrestricted), centering structure 60 can loading spring, or shift outward in the vertical, in order at the base of container with fixed
During heart structure 60 contact, centering structure 60 will be adjusted (i.e. providing sensing in the case of keeping contacting with container base
A certain degree of " bending " of base unit 30).In one embodiment, centering structure can be configured (except other factors it
Outward) with the part (such as the base hemisphere of container) by operation engagement container base, thus prevent from or reduce relating to container
Horizontal displacement or shake.Additionally, for some embodiment, the top of centering structure 60 or end 62 can be configured with
Just a part of base with associated vessel more closely or is firmly engaged.
Such as the general remark in Fig. 4, insert 110 may be included in base unit 30.Such as, be optionally added slotting
Enter thing 110, to configure related system, thus accommodate the container that vertical length is different.If it is required, can by insert firmly but
It is removably connected to base unit 30, such as by one or more screws 112.In one embodiment, insert 110
At least one part can be configured so that and (such as conduction) will be provided from the energy of base unit 30 or heat to container
Base portion, such as by the various piece on surface 114.In the embodiment of system 10, energy or heat can be sources
Heat in electric power, it is also possible to comprise conductivity energy or the heat of other forms.
Fig. 6 generally understands an embodiment of plastic containers 50, and such as, this container may be contained in a reality of system 10
Execute in example.Plastic containers 50 include a base portion 52, such as the general remark in Fig. 7.It should be noted that the present invention is not
Being limited to described embodiment, other base structures multiple can also be used in the present invention.According to general remark (and unrestricted), base portion
Dividing 52 can include a ring-type support surface 54, this surface can be configured with supporting plastic container 50 on the outer surface.Base portion
Points 52 are also possible that a central module 56, and these parts can include a hemispherical or overhead parts, including with multiple routine
The parts that the base design of container is correlated with.Moreover, it is noted that base portion 52 be optionally added one or more other
The structure of type, the most structural reinforcing construction 58.
According to the general remark carried out by the embodiment of the base portion 52 shown in Fig. 8 a and Fig. 8 b, base portion can be in annular
A changeover portion or transition portion (being generally designated as 120) is included between stayed surface 54 and core 56.According to generally
Bright, changeover portion or transition portion 120 can include one or more step 122, and can include one or more elasticity or inversion
Section or part 124.Fig. 8 a generally understands the container base part 52 according to the embodiment providing hot filling content for container
Side view, be shown that causing the situation before internal vacuum pressure.Fig. 8 b general remark cause internal vacuum pressure it
After base portion 52, in order to described upside down part or part 124 move up (such as because of at least some of vacuum pressure
Become more recessed).
Turn again to Fig. 4, in one embodiment, base unit at least some of, or insert 110 (inserts if used
Enter thing) can be configured energy or heat conduct the specific/selected portion of the base portion 52 to container 50.Such as, with appearance
The conduction surfaces (either base unit or insert) that the base portion 52 of device 50 contacts can be configured with to being deployed in
All or part of section between annular support surface 54 and core 56 provides energy or heat.In one embodiment, on
The contact surface stating base unit (or insert) can be with elastic or inversion section or part (such as 124 in Fig. 8 a and Fig. 8 b)
Major part contact.Therefore, system allows controllably energy or heat to be applied the selected portion or each to base portion 52
Individual part.
Fig. 5 a to Fig. 5 c has typicallyed represent method or the flow process relating to one embodiment of the present invention.Such as typicallying represent in Fig. 5 a,
The container 50 with base portion 52 can be obtained including the actuator of support/fixed component 40.In this stage on stream,
Container 50 has been filled content (such as under the high temperature of at least 150 degrees Fahrenheits to 210 degrees Fahrenheits (65 DEG C to 98.9 DEG C),
For some embodiment, under the high temperature of at least 170 degrees Fahrenheits to 180 degrees Fahrenheits (77 DEG C to 82 DEG C)), and container
Seal and applied closure elements (such as closure elements 90).Container 50 can be cooled to uniform temperature, such as, some embodiment
In be cooled to about 70 degrees Fahrenheits (21.1 DEG C) between about 120 degrees Fahrenheits (49 DEG C), be cooled in other embodiments about
80 degrees Fahrenheits (27 DEG C) are between about 120 degrees Fahrenheits (49 DEG C), and this can cause the slight deformation of container.It should be noted that,
According to the region of " resistance minimum ", because of in container 50 gradually cooling down of content and the internal vacuum pressure that produces may be led
The each several part of the sidewall causing container produces corresponding deformation (depression the most inwards).Container 50 can be subsequently moved to relative to basis
Unit 30 and the appropriate location of centering structure 60.Described system 10 employs insert 110, and some application may choose whether to make
Use described insert.As it can be seen, the centering that insert 110 is looped around on base unit 30 constructs around 60.In described system
In the embodiment of system, the bottommost of the base portion 52 of container 50 to base unit 30 (or insert 110, if it exists)
The vertical dimension (move away from) at top can be but to be not limited to, 3 inches or less than 3 inches.For some embodiment, can make
With the longer cylinder of stroke.It should be noted that and contact base unit 30 or engage institute by minimizing or shorten container base 52
The distance that need to move, circulation time can shorten accordingly.
As shown in the embodiment in Fig. 5 b, container 50 can be moved by actuator 20 to base unit 30 and centering structure 60.
The base portion 52 of container 50 contacts with centering structure 60 and/or engages the most at last, and described centering structure can be configured to retract
(or provided a certain degree of " curved before base portion 52 returns and effectively connect/contacts with base unit 30 and/or insert 110
Bent ") (providing insert).
Such as typicallying represent in Fig. 5 c, each several part of container 50 is movable to and actuator 20 and base unit 30 and/or insert
Thing 110 effectively contacts or connects.A part (such as closure elements 90) for container 50 can be applied a certain degree of by actuator 20
Downward pressure or power so that the base portion 52 of described container at least partially can be with base unit 30 and/or insert 110
Be configured to conduct energy or the conduction portion of heat or area contact.In one embodiment, temperature is not less than about 200 China
The heat of family name's degree or energy can be transferred to container base part 52 from base unit 30.In one embodiment, such as but do not limit
In, conduction portion can provide heat or the energy of about 450 degrees Fahrenheits to the selection area of base portion 52.Base unit 30 can
Within a period of time (about 1 to 6 second), heat is applied to container base, for some embodiment, the most about 1
Second or less than 1 second.Such as, actuator 20 can apply the downward of about 30 ft lbfs (133N) to about 190 ft lbfs (845N)
Top pressure.Without limitation, some embodiment would generally specified employing about 125 ft lbf (556N).This top pressure/power can
With, among other factors, help stablize internal pressure and promote container side wall to maintain original shape, and contribute to increasing
Base hardness (due to relevant plastic memory, the trend that base wall is not the most retracted) also generally increases vessel strength.Cause
This, system i.e. provides a certain degree of controlled downward pressure, and can individually or energy and/or heat are answered by Comprehensive Control or adjust
With.In every embodiment of the present invention, the total cycle time of the flow process typicallyed represent in Fig. 5 a to Fig. 5 c can be 2 seconds extremely
8 seconds (can be 3 seconds to 4 seconds, or below), and the base portion 52 of container 50 and base unit 30 and/or insert 110
The time of contact can be 1 second or less than 1 second.
Fig. 9 A is a chart, and this chart generally understands the temperature of the flow process relating to " hot filling " embodiment according to the present invention
Degree and pressure distribution.Returning to this chart, the A point in figure represents that plastic containers have arrived fill place.Such as, this fill place
Atmospheric pressure can be 979.056mbar (14.2psi).In B section in the drawings, container can at high temperature fill content, so
Rear sealing/capping (maximum temperature of some embodiment can be about 80 DEG C (176 degrees Fahrenheits)).Starting point or starting point at stage C
Near, the described stage can immediately begin to after reaching the maximum temperature of hot filling, along with temperature was at 5 to 6 minutes or shorter time
In fall to approximately 30 DEG C (86 degrees Fahrenheits) from (such as) about 80 DEG C (176 degrees Fahrenheit), described container will start to assist cold
But (such as it is connected with cooling tunnel or cryostat).Along with the reduction of temperature, internal pressure also can begin to change into negative value, and along with
Pressure (such as) is down to 786.002mbar (11.4psi) or 786.002mbar (11.4psi) left and right (near D point), institute
Internal vacuum pressure will be produced in stating container.During close to described pressure, the temperature of described embodiment is 25 DEG C (77 degrees Fahrenheits)
Left and right.During at or approximately at E point, the base portion branch of described container is inverted, such as with this because applying pressure and/or heat
System described in before combines.The described embodiment graphically illustrated shows, internal pressure " can be inverted the moment " at this and be arrived (example
As) peak value of about 2220.112mbar (32.2psi), decline the most rapidly.It should be noted that the structure according to container, Ke Yiwu
This excess pressure need to be used to be inverted base portion.During at or approximately at F point, pressure starts normalization to about 917.003mbar
(13.3psi).Additionally, due to relate to the corresponding reversed situation of container base, pressure will start stable close to atmospheric pressure.
During close to G point, temperature tends to declining below the reading of (such as) to about 18 DEG C (64.4 degrees Fahrenheits) further, but interior
Portion's pressure remains within the relative maintenance level of 917.003mbar (13.3psi), and unless environmental condition sudden change, otherwise this
Rear described internal pressure will not change further.Fig. 9 B includes a chart, and this chart generally describes and relates to according to described system
The temperature and pressure distribution of the flow process of another embodiment of system.
Figure 10 generally understands the compression system 10 of another embodiment according to the present invention.System 10 includes a upper part
(actuator 20) and a lower part (base unit 30).Actuator 20 can include supporting/fixing firmware 40, to support
And/or a part for fixing container 50.Figure 11 describes the top view of the system shown in Figure 10.
Figure 12 provides the sectional view of system 10 shown in Figure 10, and is shown the various aspects of base unit 30 by Additional details.
As it can be seen, base unit embodiment can include spacer 130, top seal 132, heater or heating unit
Part (such as ceramic heater) 134, and lid 136.It should be noted that every embodiment of described system can use polytype
Heater, includes but not limited to that (its shape can be shaft-like, coil, band for resistance heater, sensing heater or gas heater
Shape or dish type), heater can comprise multiple material (including pottery, metal or composite).Figure 13 describes from different perspectives
System 10 (side view).The displaying of described system 10 includes that (especially) hangs block 140, bottleneck spacer 142, and
For supporting and/or fix the actuator of support/fixed component 40 (form of the gripping apparatus that employing separates) of a part of bottle 50
20.Spacer 142 can be configured to provide for receiving the adequate space S of the superiors' part of container 50.Such as but not limited to,
The size of the space S provided in conjunction with 500ml bottle may be about 0.880 inch.As it can be seen, the basis of described embodiment is single
Unit 30 includes centering ring 150 and sleeve pipe 152.Such as typicallying represent in figure, the overall height H of assembling parts 10 can be 12 English
Very little following (for some embodiment).But, the height of assembling parts is not fixed, described height (and its of system
His size) can be configured/be adapted to plan container dimensional.
Figure 14 with Figure 15 describes the assembling/exploded view of an embodiment of described system 10 with two different perspective views.This two width
The figure each element by Additional details trace system 10, including actuator 20 and every embodiment of base unit 30.Such as figure
Shown in 14, actuator 20 can include the support/fixed component 40 (showing in figure) being made from multiple components with left and right parts,
Roller/hinge installs 160, shoulder screw 162 and spring 164 (such as compression spring).As shown in figure 15, base unit 30
An embodiment can include alignment pin 170, screw 172 (such as thumb screw), base unit spacer 174, head of screw (as
Hex screw) 176, seal 178 and lid 180 (described lid can be fixed by (such as) screw 182).Just cause
For dynamic device 20, Figure 15 also describes band cap screw 190 and alignment pin 192.
For every embodiment of the present invention, initial vacuum pressure can be, such as but not limited to, about-3psi.It is noted, however, that
Described initial value can be different because of the difference of the resistance of each container, say, that the container of structure more rigidity can obtain higher
Initial internal vacuum pressure.Every embodiment of the flow process relating to the present invention contributes to maintaining and atmospheric pressure the pressure run into
Within difference +/-2psi.It is to say, the expectation internal pressure being finally filled with the container of content can be between atmospheric pressure +/-2.0
Between psi.Additionally, for some embodiment, the container internal pressure being finally filled with content can maintain atmospheric pressure +/-1
Between psi.For many embodiments of described system, positive atmospheric pressure is better than negative atmospheric pressure.It addition, such as but not limited to,
If the atmospheric pressure in fill place is about 14.0psi, then described system and flow process can provide internal pressure between 12.0psi extremely
The content of fill between 16.0psi and the final container of capping, and this internal pressure can be provided between 13.0psi extremely
Container between 15.0psi.
It should be noted that the lightweight using every embodiment of the present invention to be of value to the plastic containers that hot filling is applied.Described system and
Every embodiment of flow process can realize supplying plastic containers, such as polyethylene terephthalate (PET) container, because passing through
Container base part processes internal pressure can reduce the material usage needed for container each several part, and/or need less structure or without
Any structure (such as evacuated panel) adapts to intended vacuum pressure.
It should be noted that the lightweight using every embodiment of the present invention to be of value to the plastic containers that cold filling is applied, including tending to
The application of selling property of improvement.Every embodiment of described system and flow process can supply plastic containers, such as polyethylene terephthalate
Ester (PET) container, because processing internal pressure by container base part can reduce the material usage needed for container each several part,
And/or need less structure or without any structure or use noble gas measure to adapt to intended down-force.
Additionally, every embodiment of described system and flow process can dramatically increase the usefulness in production environment.Although Fig. 1 only describes
Individual system (can be described as unit or station), but every embodiment of the present invention is it is considered that the equipment of multiple this system can be provided.
Every embodiment of the present invention can provide the system or equipment including multiple system, and multiple actuators and base unit can enclose
The form of the peripheral equi-spaced apart being wound on runner and the pair-wise combination radially extended provides.In many group systems or the situation of equipment
Under, each individual system (such as can be described as subsystem or station) can include association base unit and corresponding actuator.Described ring
Shape system can include up to 6 to 48 subsystems or more.Additionally, the circulation time of described loop system can (such as) be determined
It is about 4 seconds or 15 turns per minute.
The explanation of the specific embodiment of the invention described above is used for illustrating or illustrating.But it is not intended to thoroughly illustrate or by this
The bright exact form disclosed that is limited in, multiple amendment is the most likely consistent with above-mentioned guidance with variant.To the selection of embodiment and
The principle being only used for explaining the present invention and actual application thereof are described, in order to other those skilled in the art of art can use this
Bright and be applicable to the embodiment with multiple amendment of the various special-purposes that the present invention is contained.The scope of the present invention will be by right
Claim and equivalent definition thereof.
Claims (18)
1. the method being filled with the plastic containers of the thin-walled with sidewall of content for supply, described
Method comprises:
The plastic containers containing content that supply is closed or sealed;
Described plastic containers are transferred to base unit so that the base portion of described plastic containers is with described
The centering structure engagement of base unit, described base unit is configured to engagement or contacts described plastic containers
Base portion at least some of;
Orientation applies straight line force or pressure to promote the engagement of described plastic containers or to contact described base unit,
Therefore above-mentioned plastic containers are suitably pressurizeed and make its internal pressure stable, to promote the side of described plastic containers
Wall maintains original shape and increases vessel strength;And
When described base portion is contacted by operation with described base unit, energy or heat are conducted to institute
Stating inversion section or the part of the described base portion of plastic containers, described inversion section or partial response are in applying
Power or pressure, and/or in response to energy or heat, and move inward;
Wherein energy or heat being conducted to a part for described base portion, described basis is single
Unit is fixed on the direction that actuator is moved.
Method the most according to claim 1, wherein said base unit includes insert, described insertion
Thing is configured to engagement or contacts described base portion at least some of of described plastic containers, and described inserts
Enter that thing is configured to conduct energy or heat to described base portion is at least some of.
Method the most according to claim 1, it described base portion including allowing described plastic containers
A part or be inverted afterwards during applying described energy or heat.
Method the most according to claim 1, is wherein applied to the described base portion of described plastic containers
At least one of described energy or heat be 400 degrees Fahrenheits.
Method the most according to claim 1, wherein after applying described energy or heat, described container
Internal pressure between atmospheric pressure-2.0psi and+2.0psi.
Method the most according to claim 1, wherein after applying described energy or heat, described container
Internal pressure between atmospheric pressure-1.0psi and+1.0psi.
Method the most according to claim 1, wherein said orientation with promote described plastic containers engagement or
Contact the power of described base unit or pressure between 1psi to 50psi.
Method the most according to claim 1, the most at high temperature supplies described content.
Method the most according to claim 1, supplies described content the most at or below room temperature
Thing.
Method the most according to claim 1, wherein, is engaging with described base unit or is being positioned to connect
Before Chuing, described container is at least slightly distorted or ovalize.
11. methods according to claim 1, wherein, with described base unit engagement or contact
Afterwards, the not redeformation of described container or ovalize.
12. methods according to claim 1, wherein said orientation with promote described plastic containers engagement or
The power or the pressure that contact described base unit are the power being substantially downwardly applied to.
13. methods according to claim 1, wherein said base unit is configured to energy or heat
Only in the selection area of the conduction extremely base portion of described container.
14. methods according to claim 1, the described base portion of wherein said plastic containers includes down
Put section or part, described inversion section or part and be configured to respond to power or pressure and/or energy or heat
Applying and move inward.
The system of the plastic containers of 15. 1 kinds of thin-walleds with sidewall being filled with content for manufacture, described
System comprises:
Actuator, it includes main part and support/fixed component, and described parts are configured to support or fixing
A part for described container so that the base portion of described container constructs with the centering of base unit and engages;
Base unit, it include adding hot surface and be configured to receive described container described base portion one
Part;And
Wherein said actuator is configured to that described container is applied straight line force or pressure so that described base portion
A described part directly contact described base unit, therefore above-mentioned plastic containers are suitably pressurizeed and make inside it
Pressure stability, to promote the sidewall of described plastic containers maintain original shape and increase vessel strength;
The described hot surface that adds is configured to be transferred to energy or heat the institute of the described base portion of described container
State a part, and during the described part that energy or heat are transferred to described base portion, described
Base unit is fixed on the direction that described actuator is moved;And it is inverted section or partial response in applying
Power or pressure, and/or in response to energy or heat, and move inward.
16. systems according to claim 15, wherein said base unit includes centering structure, described
Centering structure can be configured to linearly move toward and away from described actuator, and described centering structure bag
Include for described centering is constructed the device at the direction upper offset towards described actuator.
17. systems according to claim 15, wherein said base unit includes insert, described slotting
Enter thing to be configured to be deployed between described base unit and described container.
18. according to system described in claim 15, and wherein said support/fixed component is relative to described actuator
Fixedly secure and can be configured to the slid underneath of the top section of described container and support described container
Top section.
Applications Claiming Priority (3)
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US15136309P | 2009-02-10 | 2009-02-10 | |
US61/151,363 | 2009-02-10 | ||
PCT/US2010/023568 WO2010093602A2 (en) | 2009-02-10 | 2010-02-09 | System and method for pressurizing a plastic container |
Publications (2)
Publication Number | Publication Date |
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CN102307786A CN102307786A (en) | 2012-01-04 |
CN102307786B true CN102307786B (en) | 2016-08-17 |
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CN201080006944.XA Expired - Fee Related CN102307786B (en) | 2009-02-10 | 2010-02-09 | The system and method for pressurization plastic containers |
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US (1) | US8596029B2 (en) |
EP (1) | EP2396229B1 (en) |
JP (1) | JP5694961B2 (en) |
KR (1) | KR101764116B1 (en) |
CN (1) | CN102307786B (en) |
AR (1) | AR078019A1 (en) |
AU (1) | AU2010213950B2 (en) |
BR (1) | BRPI1008474B1 (en) |
CA (1) | CA2750551C (en) |
ES (1) | ES2718825T3 (en) |
IL (1) | IL218194A (en) |
MX (1) | MX2011007479A (en) |
MY (1) | MY167513A (en) |
NZ (1) | NZ598258A (en) |
PL (1) | PL2396229T3 (en) |
RU (1) | RU2526274C2 (en) |
SG (1) | SG179555A1 (en) |
TR (1) | TR201904887T4 (en) |
TW (1) | TWI593542B (en) |
UA (1) | UA104209C2 (en) |
UY (1) | UY32434A (en) |
WO (1) | WO2010093602A2 (en) |
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2010
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- 2010-02-09 NZ NZ598258A patent/NZ598258A/en not_active IP Right Cessation
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- 2010-02-09 SG SG2012014049A patent/SG179555A1/en unknown
- 2010-02-09 MY MYPI2012001050A patent/MY167513A/en unknown
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PL2396229T3 (en) | 2019-06-28 |
AR078019A1 (en) | 2011-10-12 |
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KR101764116B1 (en) | 2017-08-14 |
CN102307786A (en) | 2012-01-04 |
UA104209C2 (en) | 2014-01-10 |
JP5694961B2 (en) | 2015-04-01 |
TR201904887T4 (en) | 2019-05-21 |
NZ598258A (en) | 2013-12-20 |
KR20110117232A (en) | 2011-10-26 |
EP2396229B1 (en) | 2019-01-02 |
IL218194A0 (en) | 2012-04-30 |
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WO2010093602A3 (en) | 2010-10-07 |
TW201032982A (en) | 2010-09-16 |
ES2718825T3 (en) | 2019-07-04 |
TWI593542B (en) | 2017-08-01 |
RU2526274C2 (en) | 2014-08-20 |
US20100199611A1 (en) | 2010-08-12 |
WO2010093602A2 (en) | 2010-08-19 |
EP2396229A2 (en) | 2011-12-21 |
CA2750551A1 (en) | 2010-08-19 |
IL218194A (en) | 2017-10-31 |
UY32434A (en) | 2010-04-30 |
SG179555A1 (en) | 2012-05-30 |
RU2011137439A (en) | 2013-03-20 |
AU2010213950A1 (en) | 2011-07-21 |
CA2750551C (en) | 2018-02-20 |
AU2010213950B2 (en) | 2016-02-11 |
BRPI1008474B1 (en) | 2019-03-26 |
BRPI1008474A2 (en) | 2016-03-08 |
JP2012517390A (en) | 2012-08-02 |
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